Omega Seamaster 300 Diver Chronometer Titan
dive watch by Omega.
Basic model of the Seamaster series.
There are two variants quite different in appearance with black and blue dial, with or without colored (black/blue) bezel. The models are also equipped with two different self-winding movements the Calibre Omega 2500 with co-axial escapement or its predecessor caliber Omega 1120.